diff options
Diffstat (limited to 'src/main/java/com/google/devtools/build/lib/rules/cpp/CcLinkParamsProvider.java')
-rw-r--r-- | src/main/java/com/google/devtools/build/lib/rules/cpp/CcLinkParamsProvider.java | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/rules/cpp/CcLinkParamsProvider.java b/src/main/java/com/google/devtools/build/lib/rules/cpp/CcLinkParamsProvider.java new file mode 100644 index 0000000000..11f6011f50 --- /dev/null +++ b/src/main/java/com/google/devtools/build/lib/rules/cpp/CcLinkParamsProvider.java @@ -0,0 +1,50 @@ +// Copyright 2014 Google Inc. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package com.google.devtools.build.lib.rules.cpp; + +import com.google.common.base.Function; +import com.google.devtools.build.lib.analysis.TransitiveInfoCollection; +import com.google.devtools.build.lib.analysis.TransitiveInfoProvider; +import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable; +import com.google.devtools.build.lib.rules.cpp.CcLinkParamsStore.CcLinkParamsStoreImpl; + +/** + * A target that provides C linker parameters. + */ +@Immutable +public final class CcLinkParamsProvider implements TransitiveInfoProvider { + public static final Function<TransitiveInfoCollection, CcLinkParamsStore> TO_LINK_PARAMS = + new Function<TransitiveInfoCollection, CcLinkParamsStore>() { + @Override + public CcLinkParamsStore apply(TransitiveInfoCollection input) { + CcLinkParamsProvider provider = input.getProvider( + CcLinkParamsProvider.class); + return provider == null ? null : provider.store; + } + }; + + private final CcLinkParamsStoreImpl store; + + public CcLinkParamsProvider(CcLinkParamsStore store) { + this.store = new CcLinkParamsStoreImpl(store); + } + + /** + * Returns link parameters given static / shared linking settings. + */ + public CcLinkParams getCcLinkParams(boolean linkingStatically, boolean linkShared) { + return store.get(linkingStatically, linkShared); + } +} |